<html>
  <head>
    <script type="text/css" src="<warning>a.js</warning>"/>
  </head>
  <body id="ref">
    <a href="<warning>A.html</warning>">problem</a>
    <a href="Links.html">Valid link</a>
    <a href="Links.html?p=q;jsessionid=112233">Valid link with query</a>
    <a href="Links.html#ref">Valid link with anchor</a>
    <a href="javascript:doSomething();">Valid javascript link</a>
    <a href="javaScript:doSomething();">Also valid javascript link</a>
    <a href="#ref">Valid local link</a>
    <a href="#<warning>ref2</warning>">Invalid local link</a>
    <a href="#">Valid empty link</a>
    <a href="mailto:xxx@nospam.org">Valid email link</a>
    <input src="news://aaa.bbb.ccc">
    <a href="news://aaa.bbb.ccc">aaa</a>
    <map id="myMap">
      <area href="snews://aaa.bbb.ccc" alt="aaa">
    </map>Valid email link
    <img src="<warning>a.jpg</warning>" alt="aaa"/>
  </body>
</html>